Saute onion and celery in olive oil, about five minutes.,Add garlic for another minute or so, but don't let it brown.,Add can of beans, undrained, the oregano, the boullion cubes, and the parmesan rind, if you have one.,Simmer about 5 minutes.,______,Add ten-12 cups of water, at least; if you want it soup-y, add more.,Bring water to a boil.,Add pasta and cook for time directed on package.,Enjoy with grated parmesan and pepper!